123025430 has 32 divisors (see below), whose sum is σ = 255791520. Its totient is φ = 42104320.

The previous prime is 123025429. The next prime is 123025499. The reversal of 123025430 is 34520321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31025 + ... + 34764.

It is an arithmetic number, because the mean of its divisors is an integer number (7993485).

Almost surely, 2^123025430 is an apocalyptic number.

123025430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123025430 is an abundant number, since it is smaller than the sum of its proper divisors (132766090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123025430 is a wasteful number, since it uses less digits than its factorization.

123025430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65824.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 123025430 is about 11091.6829200983. The cubic root of 123025430 is about 497.3532541948.

Adding to 123025430 its reverse (34520321), we get a palindrome (157545751).

The spelling of 123025430 in words is "one hundred twenty-three million, twenty-five thousand, four hundred thirty".